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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
CURRENT ASSETS |  |
Cash and cash equivalents | $ 15,108 | $ 4,832
Customer and other receivables | 664,936 | 453,209
Accrued unbilled revenues | 226,998 | 164,764
Allowance for doubtful accounts (Note 2) | (20,648) | (23,778)
Materials and supplies (at average cost) | 443,852 | 410,481
Income tax receivable | 0 | 14,086
Fossil fuel (at average cost) | 49,977 | 40,155
Assets from risk management activities (Note 7) | 11,376 | 87,835
Asset, Held-for-Sale, Not Part of Disposal Group, Current | 31,706 | 0
Deferred fuel and purchased power regulatory asset (Note 4) | 526,666 | 460,561
Other regulatory assets (Note 4) | 103,653 | 78,318
Other current assets | 108,314 | 60,091
Total current assets | 2,161,938 | 1,750,554
INVESTMENTS AND OTHER ASSETS |  |
Nuclear decommissioning trusts (Notes 11 and 12) | 1,120,463 | 1,073,410
Other special use funds (Notes 11 and 12) | 368,159 | 347,231
Assets from risk management activities (Note 7) | 3,171 | 44,394
Other assets | 102,863 | 125,672
Total investments and other assets | 1,594,656 | 1,590,707
PROPERTY, PLANT AND EQUIPMENT |  |
Plant in service and held for future use | 23,939,969 | 22,452,146
Accumulated depreciation and amortization | (8,319,351) | (7,929,878)
Net | 15,620,618 | 14,522,268
Construction work in progress | 1,536,323 | 1,882,791
Palo Verde sale leaseback, net of accumulated depreciation (Note 6) | 87,394 | 90,296
Intangible assets, net of accumulated amortization | 249,480 | 258,880
Nuclear fuel, net of accumulated amortization | 112,956 | 100,119
Total property, plant and equipment | 17,606,771 | 16,854,354
DEFERRED DEBITS |  |
Regulatory assets (Note 4) | 1,303,244 | 1,283,221
Operating lease right-of-use assets (Note 14) | 1,307,643 | 801,688
Assets for pension and other postretirement benefits (Note 5) | 407,065 | 396,599
Other | 53,109 | 46,282
Total deferred debits | 3,071,061 | 2,527,790
TOTAL ASSETS | 24,434,426 | 22,723,405
CURRENT LIABILITIES |  |
Accounts payable | 404,971 | 430,425
Accrued taxes | 265,463 | 164,440
Accrued interest | 76,192 | 61,217
Common dividends payable | 0 | 97,895
Short-term borrowings (Note 3) | 424,000 | 340,720
Current maturities of long-term debt (Note 3) | 250,000 | 50,685
Customer deposits | 40,557 | 41,769
Liabilities from risk management activities (Note 7) | 42,732 | 37,697
Liabilities for asset retirements (Note 15) | 16,445 | 12,232
Operating lease liabilities (Note 14) | 90,578 | 105,210
Regulatory liabilities (Note 4) | 226,989 | 271,575
Other current liabilities | 130,415 | 148,276
Total current liabilities | 1,968,342 | 1,762,141
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 3) | 8,164,372 | 7,741,286
DEFERRED CREDITS AND OTHER |  |
Deferred income taxes | 2,408,218 | 2,384,421
Regulatory liabilities (Note 4) | 1,919,281 | 2,061,776
Liabilities for asset retirements (Note 15) | 878,735 | 785,530
Liabilities for pension benefits (Note 5) | 110,472 | 116,286
Liabilities from risk management activities (Note 7) | 13,012 | 4,749
Customer advances | 520,180 | 422,103
Coal mine reclamation | 182,816 | 179,255
Deferred investment tax credit | 253,680 | 180,677
Unrecognized tax benefits | 33,738 | 38,658
Operating lease liabilities (Note 14) | 1,204,639 | 639,247
Other | 288,736 | 247,400
Total deferred credits and other | 7,813,507 | 7,060,102
COMMITMENTS AND CONTINGENCIES (Note 8) |  |
EQUITY |  |
Common stock, no par value; authorized 150,000,000 shares, 113,414,167 and 113,247,189 issued at respective dates | 2,744,501 | 2,724,740
Treasury stock at cost; 75,767 and 73,613 shares at respective dates | (5,328) | (5,005)
Total common stock | 2,739,173 | 2,719,735
Retained earnings | 3,665,946 | 3,360,347
Accumulated other comprehensive loss (Note 13) | (30,434) | (31,435)
Total shareholder equity | 6,374,685 | 6,048,647
Noncontrolling interests (Note 6) | 113,520 | 111,229
Total equity | 6,488,205 | 6,159,876
TOTAL LIABILITIES AND EQUITY | $ 24,434,426 | $ 22,723,405

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